CA2149231A1 - Spa control circuit - Google Patents

Spa control circuit

Info

Publication number
CA2149231A1
CA2149231A1 CA002149231A CA2149231A CA2149231A1 CA 2149231 A1 CA2149231 A1 CA 2149231A1 CA 002149231 A CA002149231 A CA 002149231A CA 2149231 A CA2149231 A CA 2149231A CA 2149231 A1 CA2149231 A1 CA 2149231A1
Authority
CA
Canada
Prior art keywords
circuit
control circuit
spa
water
heating system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002149231A
Other languages
French (fr)
Other versions
CA2149231C (en
Inventor
Carsten H. Idland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Softub Inc
Original Assignee
Carsten H. Idland
Softub, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carsten H. Idland, Softub, Inc. filed Critical Carsten H. Idland
Publication of CA2149231A1 publication Critical patent/CA2149231A1/en
Application granted granted Critical
Publication of CA2149231C publication Critical patent/CA2149231C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values

Abstract

A spa control circuit (14) is provided for regulating a water circulation and heating system (12) in a spa or hot tub or the like. The control circuit comprises a thermostat circuit (44) and a high temperature limit circuit (50) both of which receive a temperature signal from a common temperature sensor (46). A safety circuit (82) responds to sensor failure to prevent operation of the circulation/heating system. A
latching relay (74) ensures system reset in the same operational state following a power outage. An arc suppression circuit (56) substantially prevents arc damage to relay contacts subjected to frequent opening and closing in response to on-off cycling of the thermostat circuit. In a preferred form, the control circuit (14) components are mounted within a compact housing (22) having a heat transfer member in heat exchange relation with circulating spa water, whereby the spa water is used to prevent overheating of the control circuit components.
CA002149231A 1993-09-13 1994-09-12 Spa control circuit Expired - Fee Related CA2149231C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/118,763 US5585025A (en) 1993-09-13 1993-09-13 SPA control circuit
US08/118,763 1993-09-13
PCT/US1994/010317 WO1995008250A1 (en) 1993-09-13 1994-09-12 Spa control circuit

Publications (2)

Publication Number Publication Date
CA2149231A1 true CA2149231A1 (en) 1995-03-23
CA2149231C CA2149231C (en) 2003-05-06

Family

ID=22380592

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002149231A Expired - Fee Related CA2149231C (en) 1993-09-13 1994-09-12 Spa control circuit

Country Status (4)

Country Link
US (1) US5585025A (en)
AU (1) AU675593B2 (en)
CA (1) CA2149231C (en)
WO (1) WO1995008250A1 (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5930852A (en) * 1997-03-21 1999-08-03 Aqua-Flo, Incorporated Heat exchanging pump motor for usage within a recirculating water system
US5880438A (en) * 1997-04-04 1999-03-09 Steris Corporation Steam sterilization apparatus and control system
US5932127A (en) * 1998-01-15 1999-08-03 Maddox; Harold D. Heater control for spa
US6200108B1 (en) 1998-03-11 2001-03-13 Aqua-Flo, Incorporated Heat exchanging means for a pump motor using a bypass tube within a recirculating water system
US6282370B1 (en) 1998-09-03 2001-08-28 Balboa Instruments, Inc. Control system for bathers
US6253121B1 (en) * 1998-09-03 2001-06-26 Balboa Instruments, Inc. Control system for bathers with ground continuity and ground fault detection
DE19858137B4 (en) * 1998-12-16 2016-12-15 BSH Hausgeräte GmbH Heating for heating the rinsing liquid in a dishwasher
US6084218A (en) * 1999-05-25 2000-07-04 Itt Manufacturing Enterprises, Inc. Spa heater temperature control circuit
US6227808B1 (en) 1999-07-15 2001-05-08 Hydroair A Unit Of Itt Industries Spa pressure sensing system capable of entrapment detection
US6407469B1 (en) 1999-11-30 2002-06-18 Balboa Instruments, Inc. Controller system for pool and/or spa
US6489597B1 (en) * 2000-01-10 2002-12-03 General Electric Company Range surface heating unit relay power switching control
US6355913B1 (en) * 2000-05-31 2002-03-12 Gecko Electronique, Inc. Infrared sensor for hot tub spa heating element
US6444129B1 (en) 2001-02-09 2002-09-03 Softub, Inc. Timing of spa water treatment
US6715994B2 (en) * 2001-11-12 2004-04-06 Shurflo Pump Manufacturing Co., Inc. Bilge pump
US6623245B2 (en) 2001-11-26 2003-09-23 Shurflo Pump Manufacturing Company, Inc. Pump and pump control circuit apparatus and method
US7030343B2 (en) * 2002-10-03 2006-04-18 Balboa Instruments, Inc. Controller system for bathing installation
US6981650B2 (en) * 2003-12-15 2006-01-03 Jandy Pool Products, Inc. Pool/spa heater
US7327275B2 (en) * 2004-02-02 2008-02-05 Gecko Alliance Group Inc. Bathing system controller having abnormal operational condition identification capabilities
US20060218716A1 (en) * 2005-02-10 2006-10-05 Prescott James M Hot tub assembly
US20070019709A1 (en) * 2005-07-20 2007-01-25 Eiko Electric Products Corp. Structure of temperature sensor of electric heater
US20070079436A1 (en) * 2005-10-10 2007-04-12 Byeongchul Na Spa Heating and Cooling System
WO2007092619A2 (en) 2006-02-09 2007-08-16 Hayward Industries, Inc. Programmable aerator cooling system
US7931447B2 (en) 2006-06-29 2011-04-26 Hayward Industries, Inc. Drain safety and pump control device
US20080010983A1 (en) * 2006-07-13 2008-01-17 Emerson Electric Co. Low suction vacuum detector
FI120477B (en) * 2006-09-27 2009-10-30 Vacon Oyj Arrangements to protect an electric motor
US8097834B2 (en) * 2007-06-28 2012-01-17 Strix Limited Liquid heating vessels
US20110023225A1 (en) * 2007-11-27 2011-02-03 Victor Kaykov Portable spa with variable speed throttling water massage system
US8226374B2 (en) * 2008-07-24 2012-07-24 Nidec Motor Corporation Variable motor drive system for a reservoir with circulating fluid
US8473110B2 (en) 2008-11-25 2013-06-25 Regal Beloit America, Inc. Systems and methods for controlling operation of a motor
EP2526300B1 (en) 2010-02-25 2020-04-22 Hayward Industries, Inc. Universal mount for a variable speed pump drive user interface
WO2014143779A2 (en) 2013-03-15 2014-09-18 Hayward Industries, Inc Modular pool/spa control system
US9528720B2 (en) 2013-04-30 2016-12-27 Honeywell International Inc. Display sub-assembly for an HVAC controller
ES2820198T3 (en) 2013-07-18 2021-04-19 Intex Marketing Ltd Inflatable hydrotherapy bath
CN103600502A (en) 2013-11-25 2014-02-26 明达实业(厦门)有限公司 Melting technology of inflatable products
EP4343457A2 (en) 2016-01-22 2024-03-27 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US11720085B2 (en) 2016-01-22 2023-08-08 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US10718337B2 (en) 2016-09-22 2020-07-21 Hayward Industries, Inc. Self-priming dedicated water feature pump
US10925805B2 (en) * 2018-07-11 2021-02-23 Bullfrog International, L.C. Heating system for spa
US10934729B2 (en) 2019-02-27 2021-03-02 Bullfrog International, Lc Spa cover with sensor

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3745308A (en) * 1971-07-01 1973-07-10 Heinemann Electric Co Temperature control circuits
US4349434A (en) * 1980-01-07 1982-09-14 Jaworski William R Filtration system for spas, hot tubs, swimming pools and the like
US4421270A (en) * 1980-09-08 1983-12-20 Teledyne Industries, Inc. Electronic temperature control
US4394434A (en) * 1980-12-08 1983-07-19 Minnesota Mining And Manufacturing Company Plating resist with improved resistance to extraneous plating
US4593177A (en) * 1984-05-18 1986-06-03 Purex Pool Products, Inc. Reduced differential, high limit thermostat system
US4658320A (en) * 1985-03-08 1987-04-14 Elecspec Corporation Switch contact arc suppressor
US4858254A (en) * 1986-07-30 1989-08-22 Softub, Inc. Tub apparatus
US4843659A (en) * 1986-07-30 1989-07-04 Softub, Inc. Tub apparatus
US5133818A (en) * 1986-07-30 1992-07-28 Softub, Inc. Method of forming a tub apparatus
US4981543A (en) * 1986-07-30 1991-01-01 Softub, Inc. Tub apparatus
US5092951A (en) * 1986-07-30 1992-03-03 Softub, Inc. Method of forming a tub apparatus
US4780917A (en) * 1987-01-05 1988-11-01 Hancock James W Spa construction with integrated spa side and inside control system
US5267120A (en) * 1987-05-04 1993-11-30 Digital Appliance Controls, Inc. Relay control apparatus
US5095559A (en) * 1990-06-13 1992-03-17 South Breeze Corporation Heating apparatus
US5308957A (en) * 1992-10-27 1994-05-03 Eaton Corporation Heater control system

Also Published As

Publication number Publication date
US5585025A (en) 1996-12-17
AU675593B2 (en) 1997-02-06
WO1995008250A1 (en) 1995-03-23
AU7834194A (en) 1995-04-03
CA2149231C (en) 2003-05-06

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed